<template>
  <div>
    <el-table
      v-loading="loading"
      :data="PermisstionArr"
      style="width: 100%; margin-bottom: 20px"
      row-key="id"
      :border="true"
    >
      <el-table-column prop="name" label="名称" sortable />
      <el-table-column prop="code" label="权限值" sortable />
      <el-table-column prop="updateTime" label="修改时间" sortable />
      <el-table-column label="操作" sortable>
        <template #="{ row }">
          <el-button
            @click="addPermisstion(row)"
            type="primary"
            :disabled="row.level == 4 ? true : false"
          >
            {{ row.level == 3 ? "添加功能" : "添加菜单" }}
          </el-button>
          <el-button
            @click="updatePermisstion(row)"
            :disabled="row.level == 1 ? true : false"
          >
            编辑
          </el-button>
          <el-popconfirm
            @confirm="removeMenu(row.id)"
            :title="`你确定要删除${row.name}?`"
            width="260px"
          >
            <template #reference>
              <el-button
                type="danger"
                :disabled="row.level == 1 ? true : false"
              >
                删除
              </el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <!-- 对话框组件:添加或者更新已有的菜单的数据结构 -->
    <el-dialog
      class="permission_dialog"
      v-model="dialogVisible"
      :title="menuData.id ? '更新菜单' : '添加菜单'"
      width="650px"
    >
      <!-- 表单组件:收集新增与已有的菜单的数据 -->
      <el-form ref="ruleFormRef" :model="menuData" :rules="rules">
        <el-form-item label="名称" prop="name">
          <el-input
            placeholder="请你输入菜单名称"
            v-model="menuData.name"
          ></el-input>
        </el-form-item>
        <el-form-item label="权限" prop="code">
          <el-input
            placeholder="请你输入权限数值"
            v-model="menuData.code"
          ></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="save">确定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>
<script setup lang="ts">
import { ref, onMounted, reactive } from "vue";
// 引入获取菜单请求API
import {
  reqAllPermisstion,
  reqAddOrUpdateMenu,
  reqRemoveMenu,
} from "@/api/acl/menu";
// 引入ts类型
import type {
  MenuParams,
  PermisstionResponseData,
  PermisstionList,
  Permisstion,
} from "@/api/acl/menu/type";
import { ElMessage } from "element-plus";
// 存储菜单的数据
let PermisstionArr = ref<PermisstionList>([]);
// 控制对话框的显示与隐藏
let dialogVisible = ref<boolean>(false);
// 判断数据是否全部请求完毕
let loading = ref<boolean>(false);
// 携带的参数
let menuData = reactive<MenuParams>({
  code: "",
  level: 0,
  name: "",
  pid: 0,
});
const ruleFormRef = ref<any>();

// 表单验证
const rules = {
  name: [{ required: true, message: "名称不能为空！", trigger: "blur" }],
  code: [{ required: true, message: "权限不能为空！", trigger: "blur" }],
};
// 组件挂载完毕
onMounted(() => {
  getHasPermisstion();
});
// 获取菜单数据的方法
const getHasPermisstion = async () => {
  loading.value = await true;
  let result: PermisstionResponseData = await reqAllPermisstion();
  if (result.code == 200) {
    PermisstionArr.value = result.data;
  }
  loading.value = await false;
};
// 添加菜单按钮的回调
const addPermisstion = (row: Permisstion) => {
  // 清空数据
  Object.assign(menuData, {
    id: 0,
    code: "",
    level: 0,
    name: "",
    pid: 0,
  });
  // 对话框显示出来
  dialogVisible.value = true;
  // 收集新增的菜单的level数值
  menuData.level = row.level + 1;
  // 给谁新增子菜单
  menuData.pid = row.id as number;
};
// 编辑已有的菜单
const updatePermisstion = (row: Permisstion) => {
  dialogVisible.value = true;
  // 点击修改按钮:收集已有的菜单的数据进行更新
  Object.assign(menuData, row);
};
// 确定按钮的回调
const save = async () => {
  await ruleFormRef.value.validate(async (valid: any) => {
    if (valid) {
      // 发请求:新增子菜单|更新某一个已有的菜单的数据
      let result: any = await reqAddOrUpdateMenu(menuData);
      if (result.code == 200) {
        // 对话框隐藏
        dialogVisible.value = false;
        // 提示信息
        ElMessage({
          type: "success",
          message: menuData.id ? "更新成功" : "添加成功",
        });
        // 再次获取全部最新的菜单的数据
        getHasPermisstion();
      } else {
        ElMessage({
          type: "error",
          message: menuData.id ? "更新失败" : "添加失败",
        });
      }
    }
  });
};

// 删除按钮回调
const removeMenu = async (id: number) => {
  let result = await reqRemoveMenu(id);
  if (result.code == 200) {
    ElMessage({ type: "success", message: "删除成功" });
    getHasPermisstion();
  } else {
    ElMessage({ type: "success", message: "删除失败" });
  }
};
</script>
<style scoped lang="scss">
@media screen and (max-width: 768px) {
  :deep(.permission_dialog) {
    width: 450px !important;
  }
}
</style>
